One Hour Heating & Air Conditioning of Northern Virginia

One Hour Heating & Air Conditioning of Northern Virginia Modern Mechanical: Modern Mechanical is a professional mechanical contracting firm specializing in heating and air conditioning services. The primary focus of Modern Mechanical is help homeowners lower their utility bills and improve comfort!
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05/25/2020
May27_MemorialDay

One Hour Heating & Air Conditioning honors all who have lost their lives while protecting America.

We want to say a huge thank you to our Loudoun County customers, especially here in Ashburn for voting us as the Best of...
05/22/2020

We want to say a huge thank you to our Loudoun County customers, especially here in Ashburn for voting us as the Best of Ashburn 2020 HVAC & Electrical company in
@AshburnMagazine! It's been an honor and a pleasure to serve you for the past 10 years.

"We had the One Hour team come install new AC/Furnace units in our house and a mini-split in the detached garage, as wel...
05/22/2020
One Hour Heating & Air Conditioning | Ashburn, Virginia

"We had the One Hour team come install new AC/Furnace units in our house and a mini-split in the detached garage, as well as a sump pump back-up. They got the work done quickly and professionally. Very good guys to work with. They even took the time to touch up the paint and trim around our attic access after the new unit required a piece to be removed." says Joseph on Google

★★★★★ We had the One Hour team come install new AC/Furnace units in our house and a mini-split in the detached garage, as well as a sump pump back-up. They got the work done quickly and professionally. Very good guys to work with. They even took the time to touch up the paint and trim arou...

There are few things more frustrating than when your thermostat is on the fritz. So, what’s causing it? https://www.oneh...
05/14/2020
Why Isn’t My Thermostat Working?

There are few things more frustrating than when your thermostat is on the fritz. So, what’s causing it? https://www.onehourheatandair.com/articles/expert-tips/thermostats/why-isn-t-my-thermostat-working-/

There are few things more frustrating than when your thermostat is on the fritz. Especially when the temperatures are super high or super cool and your family is stuck feeling uncomfortable. Whatever thermostat issue you’re facing, our team at One Hour Heating & Air Conditioning is here to help yo...

"The technician was prompt, professional and on time. He explained the process and the product to me so that I could und...
05/14/2020
One Hour Heating & Air Conditioning | Ashburn, Virginia

"The technician was prompt, professional and on time. He explained the process and the product to me so that I could understand. Would recommend them to a friend" says Kelly on Google

★★★★★ The technician was prompt, professional and on time. He explained the process and the product to me so that I could understand. Would recommend them to a friend

One Hour Heating & Air Conditioning of Northern Virginia's cover photo
05/07/2020

One Hour Heating & Air Conditioning of Northern Virginia's cover photo

It’s Air Quality Awareness Week! Take some time to get educated on the dangers of indoor air pollution. https://www.oneh...
04/29/2020
Protect your family from indoor air pollution | One Hour Air Conditioning & Heating

It’s Air Quality Awareness Week! Take some time to get educated on the dangers of indoor air pollution. https://www.onehourheatandair.com/articles/expert-tips/air-quality/protect-your-family-from-indoor-air-pollution/

Car exhaust. Smog. Industrial pollutants. Pollen. Sometimes, the air in the great outdoors doesn't sound all that friendly. If you hear about pollution and think you're better off just breathing in the air in your house, you're not alone. Unfortunately, this is a common misconception. As it turns ou...

It’s Air Quality Awareness Week! Check out our tips to put Air Quality at the forefront of your Spring Cleaning. https:/...
04/27/2020
Spring Cleaning to Improve Air Quality in Your Home

It’s Air Quality Awareness Week! Check out our tips to put Air Quality at the forefront of your Spring Cleaning. https://www.onehourheatandair.com/articles/expert-tips/air-quality/spring-cleaning-to-improve-air-quality-in-your-h/

This year, don’t forget to include your home’s air in your Spring Cleaning activities. Follow our checklist below to make sure you’re taking care of your home’s air quality during Spring Cleaning.

Address

21730 Red Rum Dr, Ste 182
Ashburn, VA
20147

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Comments

They provide timely and cost effective maintenance for my 2 furnaces and heat pumps. My a/c runs at peak efficiency. The tech recommends items that provide additional utility for the systems.
There are not enough words to describe how thankful we are to Modern Mechanical now One Hour Heating and Air Conditioning and Lennox Feel The Love program. You were all so wonderful to us and your work was so professional. My husband and I enjoyed speaking with each and everyone one of you! This day for us was one of hope and joy we are truly blessed to been a recipient of such a wonderful gift.
There are not enough words to decribe how thankful we are to Modern Mechanical now One Hour Heating and Air Conditioning and the Lennox "Feel the Love" program. You were all so wonderful to us and your work was so professional. My husband and I enjoyed speaking with each and eveyone one of you! This day for us was one of hope and joy we are truly blessed to been a receiptant of such a wonderful gift. #Forevergrateful
My mom, Chris Thomas, is the most giving, caring, and loving person I've ever known. She has always sacrificed herself to help me and others. Her attic furnace is not working and she is using space heaters at the moment as she can't afford a new one. Your offer for a free furnace is so timely and would mean the world to my mom.